Base | Representation |
---|---|
bin | 1101001100010010… |
… | …01001000101111011 |
3 | 200021120202021020000 |
4 | 12212021021011323 |
5 | 104001042203231 |
6 | 3130440004043 |
7 | 340336152060 |
oct | 64611110573 |
9 | 20246667200 |
10 | 7082381691 |
11 | 3004902210 |
12 | 1457a60623 |
13 | 88b3bb3c8 |
14 | 4b2882c67 |
15 | 2b6b8d6e6 |
hex | 1a624917b |
7082381691 has 80 divisors (see below), whose sum is σ = 13322251008. Its totient is φ = 3642408000.
The previous prime is 7082381639. The next prime is 7082381749. The reversal of 7082381691 is 1961832807.
It is not a de Polignac number, because 7082381691 - 217 = 7082250619 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7082381491) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 624316 + ... + 635558.
Almost surely, 27082381691 is an apocalyptic number.
7082381691 is a deficient number, since it is larger than the sum of its proper divisors (6239869317).
7082381691 is a wasteful number, since it uses less digits than its factorization.
7082381691 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11374 (or 11365 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The square root of 7082381691 is about 84156.8873652062. The cubic root of 7082381691 is about 1920.4062446048.
The spelling of 7082381691 in words is "seven billion, eighty-two million, three hundred eighty-one thousand, six hundred ninety-one".
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